ClassID:

86975

C03B20/00 - CPC Classification

Classification description:

Processes specially adapted for the production of quartz or fused silica articles, not otherwise provided for

Recent Application in this class:
#1
20250347027
2025-11-13

QUARTZ GLASS CRUCIBLE CAPABLE OF MEASURING INFRARED TRANSMITTANCE

#2
20250326673
2025-10-23

ASPHERICAL PRISM AND PREPARATION METHOD THEREOF

#3
20250313985
2025-10-09

MANUFACTURING METHOD OF QUARTZ GLASS CRUCIBLE

#4
20250313502
2025-10-09

SINTER-FREE LOW-TEMPERATURE 3D-PRINTING OF NANOSCALE OPTICAL GRADE FUSED SILICA GLASS

#5
20250178945
2025-06-05

GLASS SUBSTRATES COMPRISING SILICA-BASED GLASS WITH INCREASED HYDROXYL GROUP UNIFORMITY, AND METHODS OF FORMING THE SAME

#6
20240262734
2024-08-08

Manufacturing method of large-outer-diameter quartz crucible for Czochralski (CZ) single crystal

#7
20240183062
2024-06-06

INFRARED TRANSMISSIVITY MEASUREMENT METHOD OF QUARTZ GLASS CRUCIBLE

#8
20230212054
2023-07-06

QUARTZ CONTAINER MANUFACTURING METHOD AND FORMING APPARATUS

#9
20230109724
2023-04-13

Fused quartz crucible for producing silicon crystals, and method for producing a fused quartz crucible

#10
20230010489
2023-01-12

QUARTZ GLASS CRUCIBLE AND MANUFACTURING METHOD THEREOF

#11
20220411322
2022-12-29

SILICA GLASS, HIGH FREQUENCY DEVICE USING SILICA GLASS, AND SILICA GLASS PRODUCTION METHOD

#12
20220324741
2022-10-13

Production of glass bodies from polymerisable solutions

#13
20220090291
2022-03-24

Quartz glass crucible, manufacturing method of silicon single crystal using the same, and infrared transmissivity measurement method and manufacturing method of quartz glass crucible

#14
20220041489
2022-02-10

Alternative fluorinating agents for the production of fluorinated quartz glass

#15
20220024801
2022-01-27

Raw material supply device for production of glass fine particle deposits and raw material supply method

#16
20220018037
2022-01-20

QUARTZ GLASS CRUCIBLE

#17
20220009815
2022-01-13

Apparatus and method for manufacturing silica glass crucible

#18
20210403374
2021-12-30

METHOD OF MANUFACTURING OPAQUE QUARTZ GLASS

#19
20210363047
2021-11-25

Method to prepare three-dimensional transparent glass via polymer plasticity

#20
20210310151
2021-10-07

Quartz glass crucible

#21
20210173299
2021-06-10

Quartz glass plate

#22
20210108329
2021-04-15

Quartz glass crucible and method for producing the same

#23
20210102042
2021-04-08

FILLER POWDER AND METHOD FOR PRODUCING SAME

#24
20210039978
2021-02-11

OPAQUE QUARTZ GLASS AND METHOD FOR MANUFACTURING THE SAME

#25
20200399160
2020-12-24

Mold and method for manufacturing quartz glass crucible

#26
20200392032
2020-12-17

Silica glass crucible

#27
20200369549
2020-11-26

CARBON ELECTRODE AND METHOD FOR MANUFACTURING QUARTZ GLASS CRUCIBLE

#28
20200361806
2020-11-19

Preparation of a quartz glass body in a multi-chamber oven

#29
20200165151
2020-05-28

ON-LINE ANNEALING OF LARGE FUSED QUARTZ INGOTS

#30
20200131069
2020-04-30

Method and device for homogenizing glass

#31
20200115820
2020-04-16

Quartz glass crucible and manufacturing method thereof

#32
20200115266
2020-04-16

Ultraviolet-Resistant Quartz Glass and Method of Producing the Same

#33
20200062640
2020-02-27

COLORED AND OPAQUE GLASS CERAMIC(S), ASSOCIATED COLORABLE AND CERAMABLE GLASS(ES), AND ASSOCIATED PROCESS(ES)

#34
20190316271
2019-10-17

Quartz glass crucible and manufacturing method thereof

#35
20190152827
2019-05-23

PREPARATION OF QUARTZ GLASS BODIES FROM SILICON DIOXIDE POWDER

#36
20190145019
2019-05-16

Quartz glass crucible, manufacturing method thereof, and manufacturing method of silicon single crystal using quartz glass crucible

#37
20190119141
2019-04-25

Increase in silicon content in the preparation of quartz glass

#38
20190092675
2019-03-28

Preparation of quartz glass bodies with dew point monitoring in the melting oven

#39
20190077691
2019-03-14

Spray granulation of silicon dioxide in the preparation of quartz glass

#40
20190077672
2019-03-14

REDUCING CARBON CONTENT OF SILICON DIOXIDE GRANULATE AND THE PREPARATION OF A QUARTZ GLASS BODY

#41
20190071344
2019-03-07

Preparation of a quartz glass body in a melting crucible of refractory metal

#42
20190062198
2019-02-28

Glass fibers and pre-forms made of homogeneous quartz glass

#43
20190062197
2019-02-28

Preparation of quartz glass bodies from silicon dioxide granulate

#44
20190062194
2019-02-28

STEAM TREATMENT OF SILICON DIOXIDE POWDER IN THE PREPARATION OF QUARTZ GLASS

#45
20190062193
2019-02-28

Preparation of a quartz glass body in a multi-chamber oven

#46
20190055150
2019-02-21

HOMOGENEOUS QUARTZ GLASS FROM PYROGENIC SILICON DIOXIDE GRANULATE

#47
20190032245
2019-01-31

Precision cut high energy crystals

#48
20190031554
2019-01-31

PREPARATION OF A QUARTZ GLASS BODY IN A STANDING SINTER CRUCIBLE

#49
20190010073
2019-01-10

Quartz glass component of high thermal stability, semifinished product therefor, and method for producing the same

#50
20180215662
2018-08-02

Synthetic quartz glass lid precursor, synthetic quartz glass lid, and preparation methods thereof

#51
20180201534
2018-07-19

Process for joining opaque fused quartz to clear fused quartz

#52
20180079674
2018-03-22

Method for producing an optical blank from synthetic quartz glass

#53
20180057959
2018-03-01

Precision cut high energy crystals

#54
20180037463
2018-02-08

SILICA GLASS PRECURSOR PRODUCTION METHOD, SILICA GLASS PRECURSOR, SILICA GLASS PRODUCTION METHOD, AND SILICA GLASS

#55
20170369361
2017-12-28

Colored and opaque glass ceramic(s), associated colorable and ceramable glass(es), and associated process(es)

#56
20170369359
2017-12-28

Rare earth metal-doped quartz glass and method for producing the same

#57
20170341968
2017-11-30

Method for producing a pore-containing opaque quartz glass

#58
20170341967
2017-11-30

Process for producing synthetic quartz glass using a cleaning device

#59
20170175291
2017-06-22

Method for producing a quartz glass crucible having a roughened inner surface region for pulling single crystal silicon

#60
20160107917
2016-04-21

Fused silica furnace system and method for continuous production of fused silica

#61
20160096765
2016-04-07

Method for the manufacture of synthetic quartz glass

#62
20160090666
2016-03-31

Precision cut high energy crystals

#63
20150321947
2015-11-12

Colored and opaque glass ceramic(s), associated colorable and ceramable glass(es), and associated process(es)

#64
20150218047
2015-08-06

Fused quartz tubing for pharmaceutical packaging and methods for making the same

#65
20150146074
2015-05-28

Optical member, image pickup apparatus, and method for manufacturing optical member

#66
20150143848
2015-05-28

Method for producing a coated component of transparent or opaque fused silica

#67
20150107301
2015-04-23

Method for producing synthetic quartz glass granules

#68
20150059407
2015-03-05

Method for producing synthetic quartz glass granules

#69
20150052948
2015-02-26

METHOD FOR PRODUCING A MOLDED BODY FROM AN ELECTRICALLY MELTED SYNTHETIC QUARTZ GLASS

#70
20150016038
2015-01-15

Electronic device with a reduced friction surface

#71
20150013388
2015-01-15

Method and device for bonding workpieces each produced from glass substrate or quartz substrate

#72
20140206524
2014-07-24

EUV lithography member, making method, and titania-doped quartz glass

#73
20140141959
2014-05-22

β-quartz glass-ceramics with a controlled transmission curve and a high iron oxide content; articles comprising said glass-ceramics, and precursor glasses

#74
20140123705
2014-05-08

Free-formed quartz glass ingots and method for making same

#75
20140119050
2014-05-01

LIGHT-DIFFUSING PLATE, METHOD OF FABRICATING THE SAME AND LED ILLUMINATION DEVICE INCLUDING THE SAME

#76
20140072811
2014-03-13

Black synthetic quartz glass with transparent layer and method for producing the same

#77
20140066285
2014-03-06

Colored and opaque glass-ceramic(s), associated colorable and ceramable glass(es), and associated process(es)

#78
20140065423
2014-03-06

Synthetic amorphous silica powder and method for producing same

#79
20140057092
2014-02-27

White, opaque, β-spodumene/rutile glass-ceramic articles and methods for making the same

#80
20140018229
2014-01-16

Nanoimprint mold-forming synthetic quartz glass and making method

#81
20130340671
2013-12-26

SILICA GLASS CRUCIBLE, METHOD FOR MANUFACTURING SAME, AND METHOD FOR MANUFACTURING SILICON SINGLE CRYSTAL

#82
20130319048
2013-12-05

Method for specifying fracture resistance of mechanically stressed glass or glass ceramic

#83
20130288488
2013-10-31

Ozone plenum as UV shutter or tunable UV filter for cleaning semiconductor substrates

#84
20130219963
2013-08-29

METHOD FOR PRODUCING SYNTHETIC QUARTZ GLASS GRANULES

#85
20130205832
2013-08-15

METHOD FOR PRODUCING DOPED QUARTZ GLASS

#86
20130201678
2013-08-08

Glass ceramic as a cooktop for induction heating having improved colored display capability and heat shielding, method for producing such a cooktop, and use of such a cooktop

#87
20130174777
2013-07-11

Quartz glass crucible, method for producing the same, and method for producing silicon single crystal

#88
20130133377
2013-05-30

Method for producing synthetic quartz glass

#89
20130133376
2013-05-30

Atomizing method for producing synthetic quartz glass

#90
20130129921
2013-05-23

Methods for producing crucibles with a reduced amount of bubbles

#91
20130123092
2013-05-16

TIO2-CONTAINING QUARTZ GLASS SUBSTRATE AND METHOD FOR PRODUCING SAME

#92
20130085056
2013-04-04

QUARTZ GLASS BODY AND A METHOD AND GEL BODY FOR PRODUCING A QUARTZ GLASS BODY

#93
20120114847
2012-05-10

SiOslurry for the production of quartz glass as well as the application of the slurry

#94
20120107589
2012-05-03

Composite shaped body and silica glass, and method for producing the same

#95
20110306213
2011-12-15

Ozone plenum as UV shutter or tunable UV filter for cleaning semiconductor substrates

#96
20110189595
2011-08-04

Method of manufacturing a substrate for a mask blank, method of manufacturing a mask blank, method of manufacturing a transfer mask, and method of manufacturing a semiconductor device

#97
20100316858
2010-12-16

Synthetic opaque quartz glass and method for producing the same

#98
20100251771
2010-10-07

Method for producing doped quartz glass

#99
20100251770
2010-10-07

Process for producing silica glass product

#100
20100178509
2010-07-15

Method of making silica-glass granule from pyrogenic silica powder

#101
20100115996
2010-05-13

Method for the production of a composite body from a basic body of opaque quartz glass and a tight sealing layer

#102
20100041538
2010-02-18

Fused silica glass and process for producing the same

#103
20090324886
2009-12-31

Mold release sheet

#104
20090266110
2009-10-29

SiOslurry for the production of quartz glass as well as the application of the slurry

#105
20090163344
2009-06-25

Component of quartz glass for use in semiconductor manufacture and method for producing the same

#106
20090148627
2009-06-11

DEUTEROXYL-DOPED SILICA GLASS, OPTICAL MEMBER AND LITHOGRAPHIC SYSTEM COMPRISING SAME AND METHOD OF MAKING SAME

#107
20090100871
2009-04-23

METHOD FOR MANUFACTURING A SILICA GLASS BLOCK

#108
20080196448
2008-08-21

Sintering of fused silica to produce shaped bodies comprising crystalline SiO

#109
20080164631
2008-07-10

Process for producing silica glass product

#110
20080153688
2008-06-26

Method and casting mold for manufacturing a quartz glass body

#111
20080113174
2008-05-15

Quartz glass having excellent resistance against plasma corrosion and method for producing the same

#112
20070231500
2007-10-04

Silica microspheres, method for making and assembling same and possible uses of silica microspheres

#113
20070145332
2007-06-28

Method for the production of laser-active quartz glass and use thereof

#114
20070105704
2007-05-10

Deuteroxyl-doped silica glass, optical member and lithographic system comprising same and method of making same

#115
20070082149
2007-04-12

Method for producing a piece made of sintered amorphous silica, and mold and slurry used in this method

#116
20060281623
2006-12-14

Free-formed quartz glass ingots and method for making the same

#117
20060258525
2006-11-16

Transparent silica glass luminescent material and process for producing the same

#118
20050272588
2005-12-08

Quartz glass having excellent resistance against plasma corrosion and method for producing the same

#119
20050034483
2005-02-17

Method for producing silica glass